Marine Biology Degree in Oceanside, CA — Salary & ROI 2026
Marine Biology degree analysis for Oceanside, CA. COL-adjusted salary data, local tuition costs, ROI calculator, and job market outlook.
Starting Salary
$71K
COL-adjusted
Mid-Career
$88K
COL-adjusted
ROI Payback
5.9 yrs
in Oceanside
Cost of Living
142.1
index (100 = avg)
Marine Biology in Oceanside, CA Overview
Oceanside, California (pop. 176,218) has 7 colleges offering Marine Biology programs. The local cost of living index of 142.1 is higher than average, so budget accordingly, with average rent near campus at $2,040/month. Marine Biology enrollment is stable nationwide, with steady demand for graduates skilled in Scuba Diving and Marine Ecology. The adjusted starting salary in Oceanside is approximately $71,050.
Category
STEM
Local Colleges
7
Public Tuition
$14,500/yr
Private Tuition
$42,000/yr
Room & Board
$16,998/yr
Avg Fin. Aid
$8,512/yr
Unemployment
5.3%
Graduation Rate
56%
Marine Biology Salary in Oceanside (COL-Adjusted)
Salaries adjusted for Oceanside's cost of living index of 142.1 (national average = 100).
Note: National average Marine Biology salary: $50,000 starting, $62,000 mid-career, $78,000 senior level.Oceanside adjustment factor: 1.42x based on the local cost of living index.
Marine Biology ROI Calculator for Oceanside
Estimate your return on investment for a Marine Biology degree using local Oceanside tuition and cost of living data.
Public avg: $14,500 | Private avg: $42,000
Oceanside avg aid: $8,512/yr
Federal avg: 6.5% | Private: 4-14%
Total Education Cost
$125,992
tuition + room & board - aid
Annual Earnings Premium
$21,315
vs HS diploma in Oceanside
ROI Payback Period
5.9 years
to break even
Lifetime Return in Oceanside
$229,258
Lifetime earnings premium ($355,250) minus total education cost ($125,992)
Student Loan Payoff for Marine Biology in Oceanside
Standard Plan (10 years)
Aggressive Plan (5 years)
Colleges in Oceanside for Marine Biology
Oceanside State University
public
$14,298/yr
$57,192 total
University of Oceanside
public
$12,583/yr
$50,332 total
Community Colleges (2-Year Transfer)
Oceanside Community College
$5,853/yr
Top Employers for Marine Biology in Oceanside
Oceanside offers opportunities in Tech companies, Research labs, Government agencies for Marine Biology graduates. National top employers in this field include:
Key Oceanside Hiring Sectors for STEM
Tech companies
Research labs
Government agencies
Startups
Consulting firms
Common Marine Biology Job Titles
Marine Biology in Nearby California Cities
Los Angeles, CA
$71K starting · COL 141
69 colleges
San Diego, CA
$70K starting · COL 140
68 colleges
San Jose, CA
$65K starting · COL 129
95 colleges
San Francisco, CA
$57K starting · COL 114
22 colleges
Fresno, CA
$59K starting · COL 118
37 colleges
Sacramento, CA
$56K starting · COL 112
38 colleges
Long Beach, CA
$58K starting · COL 116
14 colleges
Oakland, CA
$66K starting · COL 132
13 colleges
Other STEM Majors in Oceanside
Prompt Engineering
$71K starting · 1.5 yr ROI
Computational Linguistics
$135K starting · 2 yr ROI
Computer Science
$121K starting · 2.8 yr ROI
Software Engineering
$125K starting · 2.7 yr ROI
Data Science
$117K starting · 3 yr ROI
Astrophysics
$121K starting · 3 yr ROI
Actuarial Science
$71K starting · 3 yr ROI
Cybersecurity
$114K starting · 3 yr ROI
Marine Biology Degree in Oceanside — FAQ
Data Sources: Salary data from BLS Occupational Outlook Handbook. Cost of living from BLS Regional Data. College data from NCES/IPEDS. Updated March 2026.
Explore More
Compare Marine Biology ROI in other cities, or explore other majors in Oceanside.